Some embodiments are directed to an apparatus, such as a panel that might be appropriate for aircraft or space vehicle fuel tanks. According to some embodiments, a plurality of stiffening elements may be attached to a matrix stiffened laminate skin and arranged in an isogrid pattern. Each stiffening element may include, for example, a hollow hat-shaped and substantially rectangular cross-sectional profile and a layer of unidirectional fibers proximate to a top portion of the stiffening element. In some embodiments, the stiffening elements may be created on top of a core element that is later removed (e.g., by dissolving, melting, or vaporizing the core element after the stiffening elements and fiber skin are cured with heat).


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    Title :

    ISOGRID STIFFENING ELEMENTS


    Contributors:

    Publication date :

    2018-05-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / B64G Raumfahrt , COSMONAUTICS



    ISOGRID STIFFENING ELEMENTS

    DUPONT ANTHONY | European Patent Office | 2018

    Free access

    Isogrid stiffening elements

    DUPONT ANTHONY A | European Patent Office | 2021

    Free access


    Isogrid structures

    KEY, J. / SLYSH, P. / DYER, J. et al. | AIAA | 1975


    Isogrid structures

    Slysh, P. / Dyer, J. E. / Furman, J. H. et al. | NTRS | 1975